What exactly is the purpose of using malloc hooks? And I’ve read it’s used in memory-profiling, etc. but never really understood how.
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What exactly is the purpose of using malloc hooks? And I’ve read it’s used in memory-profiling, etc. but never really understood how.
Well, if you can hook into the behaviour of allocation functions, then you can track memory allocations for profiling and debugging.
The GCC documentation on malloc hooks has a nice little example demonstrating adding debug output every time the allocation functions are invoked.
I’m not really sure what else to tell you… is that not reason enough?